int main() {

char * filepath = "C:\\this\\is\\a\\sub\\directory\\";

char * newpath = realtologicalpath(filepath);
printf("%s", newpath);
free(newpath);

}


char * realtologicalpath(char * path) {

    char logicalpath[strlen(path)+1];
    ZeroMemory(&logicalpath, strlen(path) +1);
    logicalpath[0] = '/';

    int i;
	for (i = 0 ; i < strlen(path) ; i++) {
		if (path[i] == '\\') {
			logicalpath[i+1] = '/';
		} else {
            logicalpath[i+1] = path[i];
		}
	}

	return strdup(logicalpath);


/*
    char logicalpath[MAX_PATH+1];
    //char * logicalpath = (char *) malloc (CAR_SIZE * sizeof (char));
    logicalpath[0] = '/';

    int i;
	for (i = 0 ; i < strlen(path) ; i++) {
		if (path[i] == '\\') {
			logicalpath[i+1] = '/';
		} else {
            logicalpath[i+1] = path[i];
		}
	}

	return logicalpath;
*/
}